Merge branch 'activitypub-likes' into 'develop'

lib/pleroma/web/activity_pub/activity_pub_controller.ex

lib/pleroma/web/activity_pub/transmogrifier.ex

lib/pleroma/web/activity_pub/utils.ex

lib/pleroma/web/activity_pub/views/object_view.ex

lib/pleroma/web/router.ex

test/support/factory.ex

test/web/activity_pub/activity_pub_controller_test.exs

test/web/activity_pub/transmogrifier_test.exs